PROCEDE D'ESSAI DE FORAGE,申请号FR19890009674-传众专利搜索

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发明名称	PROCEDE D'ESSAI DE FORAGE
摘要
申请公布号	FR2649753(B1)	申请公布日期	1991.10.11
申请号	FR19890009674	申请日期	1989.07.12
申请人	GAIATECH	发明人	JACQUES MONNET
分类号	E02D1/02;E21B49/00;(IPC1-7):E21B49/00	主分类号	E02D1/02
代理机构		代理人
主权项
地址

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